By combining data from NASA’s IRAS and NuSTAR telescopes, scientists have uncovered more hidden supermassive black holes than earlier estimates suggested. Their findings indicate that over a third of ...

NASA's SPHEREx observatory undergoes testing at BAE Systems in Boulder, Colorado, in August 2024. Launching no earlier than Feb. 27 ...

Shaped like a megaphone, the upcoming mission will map the entire sky in infrared light to answer big questions about the ...

In NASA's latest survey, experts detected black holes hidden behind thick clouds of gas and dust and others that are not.

Scientists have been scratching their heads for ages, trying to figure out why some galaxies just stop churning out stars.